To connect a second monitor to a laptop running Windows 11, match the ports, connect the cable, and select Extend in display settings. If you plan to use USB-C, check that the laptop’s port supports video before buying an adapter.
Essential Concepts
Match ports. Confirm USB-C video support. Select Extend. Related posts: [Fix a second monitor not detected](/second-monitor-not-detected-windows-11/) and [Duplicate vs. extend display](/duplicate-vs-extend-display-windows-11/).